Vagotomy in the Treatment of Perforated Duodenal Ulcer

after 6 months (5% of cases) the average survival time was 15 months. Treatment had some effect in prolonging the course of the disease. On radiological examination 93% of cases showed cardiomegaly. On electrocardiographic examination 40% of cases showed right atrial enlargement, 42% left atrial enlargement, 83% right ventricular enlargement, and 54% left ventricular enlargement. Certain electrocardiographic changes?namely, enlargement of the P waves, RS-T depression, and T-wave inversion?are of some value in diagnosis.